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# Test that tasks return their value correctly to the caller
try:
import uasyncio as asyncio
except ImportError:
try:
import asyncio
except ImportError:
print("SKIP")
raise SystemExit
def custom_handler(loop, context):
print("custom_handler", repr(context["exception"]))
async def task(i):
# Raise with 2 args so exception prints the same in uPy and CPython
raise ValueError(i, i + 1)
async def main():
loop = asyncio.get_event_loop()
# Check default exception handler, should be None
print(loop.get_exception_handler())
# Set exception handler and test it was set
loop.set_exception_handler(custom_handler)
print(loop.get_exception_handler() == custom_handler)
# Create a task that raises and uses the custom exception handler
asyncio.create_task(task(0))
print("sleep")
await asyncio.sleep(0)
# Create 2 tasks to test order of printing exception
asyncio.create_task(task(1))
asyncio.create_task(task(2))
print("sleep")
await asyncio.sleep(0)
print("done")
asyncio.run(main())
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